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| author | Jason Gunthorpe <jgg@mellanox.com> | 2018-08-16 13:08:18 -0600 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-08-16 13:12:00 -0600 |
| commit | 89982f7ccee2fcd8fea7936b81eec6defbf0f131 (patch) | |
| tree | fc553c8d008d24595ad7de0ea0f3b56f656da27c /drivers/gpu/drm/udl/udl_transfer.c | |
| parent | a1ceeca679dccc492235f0f629d9e9f7b3d51ca8 (diff) | |
| parent | 94710cac0ef4ee177a63b5227664b38c95bbf703 (diff) | |
Merge tag 'v4.18' into rdma.git for-next
Resolve merge conflicts from the -rc cycle against the rdma.git tree:
Conflicts:
drivers/infiniband/core/uverbs_cmd.c
- New ifs added to ib_uverbs_ex_create_flow in -rc and for-next
- Merge removal of file->ucontext in for-next with new code in -rc
drivers/infiniband/core/uverbs_main.c
- for-next removed code from ib_uverbs_write() that was modified
in for-rc
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/gpu/drm/udl/udl_transfer.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_transfer.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/udl/udl_transfer.c b/drivers/gpu/drm/udl/udl_transfer.c index 0c87b1ac6b68..b992644c17e6 100644 --- a/drivers/gpu/drm/udl/udl_transfer.c +++ b/drivers/gpu/drm/udl/udl_transfer.c @@ -153,11 +153,11 @@ static void udl_compress_hline16( raw_pixels_count_byte = cmd++; /* we'll know this later */ raw_pixel_start = pixel; - cmd_pixel_end = pixel + (min(MAX_CMD_PIXELS + 1, - min((int)(pixel_end - pixel) / bpp, - (int)(cmd_buffer_end - cmd) / 2))) * bpp; + cmd_pixel_end = pixel + min3(MAX_CMD_PIXELS + 1UL, + (unsigned long)(pixel_end - pixel) / bpp, + (unsigned long)(cmd_buffer_end - 1 - cmd) / 2) * bpp; - prefetch_range((void *) pixel, (cmd_pixel_end - pixel) * bpp); + prefetch_range((void *) pixel, cmd_pixel_end - pixel); pixel_val16 = get_pixel_val16(pixel, bpp); while (pixel < cmd_pixel_end) { @@ -193,6 +193,9 @@ static void udl_compress_hline16( if (pixel > raw_pixel_start) { /* finalize last RAW span */ *raw_pixels_count_byte = ((pixel-raw_pixel_start) / bpp) & 0xFF; + } else { + /* undo unused byte */ + cmd--; } *cmd_pixels_count_byte = ((pixel - cmd_pixel_start) / bpp) & 0xFF; |